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Pages 8
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157 through 8-165/8-166:
BAHIIWIlYlM
FILTER
10.
2
ASSEMBLY
A13
Table 8
-
11: Bandwidth Filter
No.
2
Assembly A13, Replaceable Parts
1909A
&
Below Change A13 to HP Part Number 08559-60057, Check Digit 9,
BANDWIDTH FILTER
NO.
2.
Add
A13C3, HP Part Number 0160
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2236, Check Digit 8, CAPACITOR
-
FXD
1PF +-.25PF 500VDC
CER.
Change A13C16*, A13C20*, A13C43*, and A13C64* to HP Part Number
0160
-
0134, Check Digit 1, CAPACITOR
-
FXD 220PF +
-
5% 300VDC
MICA.
Change A13C21
and A13C44 to HP Part Number 0160-3431, Check Digit
7, CAPACITOR
-
FXD 6.8PF +-.5PF 5OOVDC
CER.
Change A13C14 and A13C37 to HP Part Number 0160-2250, Check Digit
6, CAPACITOR
-
FXD 5.1PF +-.25PF 5OOVDC
CER.
Change A13R23* and A13R48* to HP Part Number 0757-0441,
Check
Digit 8, RESISTOR
8.25K 1% .125W F TC=O+-100.
Delete A13R24 and A13R25.
Change A13R18 and A13R41 to HP Part Number 0757-0279,
Check Digit
0, RESISTOR 3.16K 1% .125W F TC=O+-100.
Change A13R28 and A13R52 to HP Part Number 0757-0290, Check Digit
5, RESISTOR
6.19K 1% .125W F TC=O+-100.
Figure 8
-
62. Bandwidth Filter
No.
2
Assembly 613, Caponent Locations
1909A
&
Below Delete R25.
Change R24 to W1.
Add C3 below R5.
Figure 8
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63: Bandwidth Filter
No.
2
Assembly A13, Schematic Magrar
1909A
&
Below Change A13 to HP Part Number 08559
-
60057.
In function block
(B), add a capacitor, C3, 1.0 PF, in parallel
with R5.
Replace function block
(C) with P/O Figure 8
-
63 (SERIAL PREFIX
1909A) included in this Manual Backdating supplement.
Make the following changes in function block
(Dl:
Change C14 to 5.1 PF.
Change
R23* to 14.7K.
Change R18 to 3160.
Make the following changes in function block
(F):
Change C43* to 220 PF.
Change C44 to 6.8 PF.
Change
C64* to 220 PF
Change R52 to 6190.
Make the following changes in function block
(GI:
Change C37 to 5.1 PF.
Change
R48* to 14.7K.
Change R41 to 3160.